The Environmental Protection Agency is accepting through May 11 comments on a proposal to amend the significant new use rules for 24 chemical substances used as wetting agents, processing aids, catalysts, friction materials, printing ink ingredients, pigments, refrigerants, surfactants, heat transfer fluids and carrier fluids; in concrete and foam applications and anti-graffiti systems; and in the production of curable resins for coatings, inks and curable adhesives.

This rule would allow certain uses of these substances without requiring a significant new use notice and extend SNUN requirements to certain additional uses. It would also require persons who intend to manufacture (including import) or process any of these 24 chemical substances for an activity that is designated as a significant new use by this proposed rule to notify the EPA at least 90 days before commencing that activity.


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